CN217332911U

CN217332911U - Optical reflection assembly, optical lens module and electronic device

Info

Publication number: CN217332911U
Application number: CN202221158552.1U
Authority: CN
Inventors: 张明顺; 范丞纬; 周明达; 蔡谆桦
Original assignee: Largan Precision Co Ltd
Current assignee: Largan Precision Co Ltd
Priority date: 2021-09-24
Filing date: 2022-05-13
Publication date: 2022-08-30
Anticipated expiration: 2032-05-13
Also published as: EP4155798A1; TWI819526B; CN115857076A; TW202314312A; US20230098359A1; EP4155798B1; BR102022018986A2

Abstract

An optical reflection assembly includes a reflection element, a reflection element holder, and a structural member. The reflection element comprises a reflection surface, wherein a light ray enters the reflection surface and is turned by the reflection surface. The reflective element holder includes a mounting surface, wherein the mounting surface is disposed in correspondence with the reflective element. The structural member is made of metal and has a three-dimensional structure, at least one part of the structural member is embedded in the reflector holder, and the structural member comprises a first supporting wall, a second supporting wall and at least one extending wall. The first supporting wall and the second supporting wall are bent to form a first fold line and present an angle. An extension folding line is formed between the extension wall and the second support wall after bending, and the extension folding line is a non-closed line. Therefore, the structure rigidity and the assembly reliability can be improved.

Description

Optical reflection assembly, optical lens module and electronic device

Technical Field

The present disclosure relates to an optical reflection assembly and an optical lens module, and more particularly, to an optical reflection assembly and an optical lens module applied to a portable electronic device.

Background

In recent years, portable electronic devices, such as smart electronic devices, tablet computers, etc., have been developed rapidly, and people's lives are filled with the portable electronic devices, and the optical lens modules and the optical reflection assemblies thereof mounted on the portable electronic devices have been developed vigorously. However, as the technology is further developed, the quality requirements of the optical reflection assembly for users are higher.

Specifically, the number of optical lens modules adopting the turning optical path is gradually increased, the turning optical path requires a reflective element holder to dispose the reflective element, and the light-passing hole of the reflective element holder needs to be disposed through the turning or eccentric arrangement. Therefore, it is an important and urgent problem in the industry to develop an optical reflection assembly capable of protecting the reflection element and improving the assembling reliability.

SUMMERY OF THE UTILITY MODEL

The present disclosure provides an optical reflection assembly, an optical lens module and an electronic device, wherein a metal structural member is embedded into a reflection element holder, the structural member has a first supporting wall and a second supporting wall to improve structural rigidity, and an extension wall is matched with an outline of the reflection element holder to serve as an auxiliary support, so that the reflection element can be protected, dimensional accuracy can be maintained, and assembly reliability can be improved.

According to one embodiment of the present disclosure, an optical reflection assembly includes a reflection element, a reflection element holder, and a structural member. The reflection element comprises a reflection surface, and a light ray enters the reflection surface and is turned by the reflection surface. The reflective element holder includes a mounting surface, wherein the mounting surface is disposed in correspondence with the reflective element. The structural member is made of metal and has a three-dimensional structure, at least one part of the structural member is embedded in the reflector holder, and the structural member comprises a first supporting wall, a second supporting wall and at least one extending wall. The first supporting wall and the second supporting wall are bent to form a first fold line and present an angle. An extension folding line is formed between the extension wall and the second support wall after bending, and the extension folding line is a non-closed line. The angle between the first supporting wall and the second supporting wall after being bent is theta _S (ii) a When viewed along a direction, the projection of the reflecting element and the structural member are overlapped, and the minimum spacing distance between the reflecting element and the structural member in the direction is D _R Which satisfies the following conditions: theta is more than or equal to 90 DEG _S Less than or equal to 164 ℃; and 0.05mm<D _R <1.8mm。

The optical reflection assembly according to the embodiment of the previous paragraph, wherein the structural member and the reflection element holder may be integrally formed.

The optical reflection assembly according to the embodiment of the preceding paragraph, wherein the reflection element holder may include a light passing hole through which light passes, and geometric central axes of the light passing holes do not overlap each other.

In the optical reflection assembly according to the embodiment of the previous paragraph, the angle between the extending wall and the second supporting wall after bending is θ _E It may satisfy the following conditions: theta is more than or equal to 90 DEG _E Less than or equal to 152 degrees.

The optical reflection assembly according to the embodiment of the previous paragraph, wherein the length of the extending folding line may be smaller than the length of the first folding line.

The optical reflection assembly according to the embodiment of the previous paragraph, wherein the extended folding line may be a straight line.

The optical reflection assembly according to the embodiment of the previous paragraph, wherein the number of the extension walls may be at least two.

The optical reflection assembly according to the embodiment of the preceding paragraph, wherein the reflection element further includes a light incident surface, a light emitting surface and two connecting surfaces, the light incident surface and the light emitting surface respectively enable light to enter and exit the reflection element, the connecting surfaces connect the light incident surface, the light emitting surface and the reflection surface, the extension walls respectively include a plane, and each plane is disposed corresponding to each connecting surface.

The optical reflection assembly according to the embodiment of the previous paragraph, wherein the extension walls may be symmetrically disposed.

The optical reflection assembly according to the embodiment of the preceding paragraph, wherein the structural member includes a plurality of through holes, and the through holes penetrate at least one of the first supporting wall, the second supporting wall and the extending wall.

The optical reflection assembly according to the embodiment of the previous paragraph, wherein the reflection element holder further comprises a filling opening.

The optical reflection assembly according to the embodiment of the preceding paragraph, wherein the structural member may further include an exposed portion, the exposed portion is exposed from the reflection element holder, and the injection port is disposed adjacent to the exposed portion.

The optical reflection assembly according to the embodiment described in the previous paragraph, wherein the volume ratio of the structural member embedded in the reflective element holder may occupy 90% or more of the entire volume of the structural member.

The optical reflection assembly according to the embodiment described in the previous paragraph, wherein the structural member may not protrude from the surface of the reflection element holder.

The optical reflection assembly according to the embodiment of the previous paragraph, wherein the reflection element may be a glass reflection element.

According to an embodiment of the present disclosure, an optical lens module is provided, which includes the optical reflection assembly of the foregoing embodiments and a lens assembly, wherein the reflection element holder further includes a lens holding portion, and the lens assembly includes a plurality of lenses. An optical axis passes through the lens, and the lens holding part is used for assembling and fixing the lens group.

The optical lens module according to the embodiment of the preceding paragraph, wherein the lens comprises at least one glass lens.

According to an embodiment of the present disclosure, an electronic device is provided, which includes the optical reflection assembly of the foregoing embodiments.

Drawings

FIG. 1A is a perspective view of an optical lens module according to a first embodiment of the disclosure;

FIG. 1B is a partially exploded view of the optical lens module according to the first embodiment of FIG. 1A;

FIG. 1C is a cross-sectional side view of the optical lens module according to the first embodiment of FIG. 1A;

FIG. 1D is a top perspective view of the optical lens module according to the first embodiment of FIG. 1A;

FIG. 1E is a perspective view of the optical reflective element according to the first embodiment of FIG. 1A;

FIG. 1F is a partial cross-sectional view of the optical reflective assembly taken along section line 1F-1F of the first embodiment shown in FIG. 1E;

FIG. 1G is a perspective view of the structure according to the first embodiment of FIG. 1A;

FIG. 1H shows a perspective view of the structural member according to the first embodiment of FIG. 1A;

FIG. 2 illustrates a perspective view of a structural member according to a second embodiment of the present disclosure;

FIG. 3A is a perspective view of an optical lens module according to a third embodiment of the present disclosure;

FIG. 3B is an exploded view of the optical lens module according to the third embodiment of FIG. 3A;

FIG. 3C is a cross-sectional side view of the optical lens module according to the third embodiment of FIG. 3A;

FIG. 3D is a perspective view of the optical reflective element according to the third embodiment of FIG. 3A;

FIG. 3E is a partial cross-sectional view of the optical reflective assembly taken along section line 3E-3E in the third embodiment shown in FIG. 3D;

FIG. 3F is another partial cross-sectional view of the optical reflective element taken along section line 3E-3E in accordance with the third embodiment of FIG. 3D;

FIG. 3G is a perspective view of a structural member according to the third embodiment of FIG. 3A;

FIG. 3H shows a side view of the structural member according to the third embodiment of FIG. 3A;

FIG. 3I shows a front view of the structural member according to the third embodiment of FIG. 3A;

FIG. 4 is a perspective view of a structural member according to a fourth embodiment of the present disclosure;

FIG. 5A is a perspective view of an optical lens module according to a fifth embodiment of the disclosure;

FIG. 5B is an exploded view of the optical lens module according to the fifth embodiment of FIG. 5A;

FIG. 5C is a cross-sectional side view of the optical lens module according to the fifth embodiment of FIG. 5A;

FIG. 5D is a perspective view of the optical reflective element according to the fifth embodiment of FIG. 5A;

FIG. 5E is a partial cross-sectional view of the optical reflective assembly taken along section line 5E-5E in the fifth embodiment shown in FIG. 5D;

FIG. 5F is a perspective view of the structural member according to the fifth embodiment of FIG. 5A;

FIG. 5G shows a front view of the structural member according to the fifth embodiment of FIG. 5A;

FIG. 6 is a perspective view of a structural member according to a sixth embodiment of the present disclosure;

FIG. 7A is a perspective view of an optical lens module according to a seventh embodiment of the disclosure;

FIG. 7B is a perspective view of the optical reflection assembly according to the seventh embodiment of FIG. 7A;

FIG. 8A is a schematic view of an electronic device according to an eighth embodiment of the disclosure;

FIG. 8B is a block diagram illustrating an electronic device according to the eighth embodiment of FIG. 8A;

FIG. 9A is a schematic view of an electronic device according to a ninth embodiment of the disclosure;

FIG. 9B is a schematic view illustrating an operation scenario of the electronic device according to the ninth embodiment of FIG. 9A; and

FIG. 9C is a schematic view illustrating an electronic device according to the ninth embodiment of FIG. 9A.

[ notation ] to show

100,300,500,700,91 optical lens module

111 first lens group

112 second lens group

120,320a,320b,520,720 reflective element

121,321,521 reflective surface

122,322,522 incident light surface

123,323,523 light emitting surface

124,324,524 connecting surface

130,330a,330b,530,730 reflective element holder

131,531 lens holder

132,332a,332b,532 mounting surface

133,333,533 light through hole

140,240,340,440,540,640,740 structural member

141,241,341,441,541,641 first support wall

142,242,342,442,542,642 second support wall

143,243,343,443,543,643 extension wall

144,244,344,444,544,644 first fold line

145,245,345,445,545,645 extending folding line

246,446,646 through hole

310,510,710 lens group

534 fixing piece

550 lens cone

735: filling opening

747 exposed part

80,90 electronic device

811 telephoto lens

812 super wide-angle lens

813 ultralong focal telescope lens

814 wide-angle main lens

82 lens cover plate

83 electronic photosensitive element

84 user interface

85 imaging signal processing element

86 optical anti-shake component

87 sensing element

88 flash lamp module

89 focusing auxiliary module

92 display panel module

X1 first optical axis

X2 second optical axis

D1, D2 Direction

θ _S ,θ _E Angle of rotation

D _R Minimum separation distance

Detailed Description

The present disclosure provides an optical reflection assembly including a reflection element, a reflection element holder, and a structural member. The reflection element comprises a reflection surface, wherein a light ray enters the reflection surface and is turned by the reflection surface. The reflective element holder includes a mounting surface, wherein the mounting surface is disposed in correspondence with the reflective element. The structural member is made of metal and has a three-dimensional structure, at least one part of the structural member is embedded in the reflector holder, and the structural member comprises a first supporting wall, a second supporting wall and at least one extending wall. The first supporting wall and the second supporting wall form a first folding line after being bent and form an angle, the extending wall and the second supporting wall form an extending folding line after being bent, and the extending folding line is a non-closed line. The angle between the first supporting wall and the second supporting wall after being bent is theta _S (ii) a When viewed along a direction, the projection of the reflecting element and the structural member are overlapped, and the minimum spacing distance between the reflecting element and the structural member in the direction is D _R Which satisfies the following conditions: theta is more than or equal to 90 DEG _S Less than or equal to 164 ℃; and 0.05mm<D _R <1.8mm。

The embedded structure can improve the rigidity of the reflector holder, maintain the structure of the reflector holder when the reflector holder is impacted by external force, maintain the dimensional accuracy, or increase the bearing force during assembly, thereby improving the assembly reliability.

The structural member can be in a three-dimensional structure through the first folding line and the extension folding line so as to bear stress in different directions and improve the rigidity of the whole structure.

The transparent structure can also inhibit the volume change of the reflecting element holder when the temperature changes, and reduce the relative displacement between the reflecting element holder and the reflecting element, wherein the temperature change can be from the ambient temperature or a heat source generated by the luminous source.

When satisfying 0.05mm<D _R <1.8mm, better protection of the reflective element is provided to prevent the reflective element holder from being deformed when subjected to stress, and to prevent the reflective element from being degraded in assembly accuracy or being crushed.

The angle that the first support wall and the second support wall assume after bending depends on the structure of the reflective element holder. Therefore, when the 90 DEG ≦ θ is satisfied _S Less than or equal to 164 deg. for matching with the structure of the reflector element holder and bearing the impact of external force in different directions.

Specifically, the non-closed line is a line segment with two open ends, and the first folding line and the extended folding line are not decoration lines on the structural member, but creases formed at the bent positions when the metal plate is punched. Furthermore, the first folding line and the extending folding line can be a round corner, and the curvature radius of the round corner is related to the bending angle.

Further, the reflective element may be a brittle material, wherein the brittle material may be glass, Polystyrene (PS), Polycarbonate (PC), polymethyl methacrylate (PMMA), etc., but not limited thereto. Structural members are required to maintain flatness due to the high flatness requirements of the reflective element to the mounting surface.

The structural member made of metal has a high Young's modulus, so that deformation is small when the structural member is stressed. The metal surface may be subjected to a surface treatment, such as a roughening treatment or a blackening treatment, wherein the roughening treatment can enhance the bonding strength between the plastic material and the metal material, and the blackening treatment can reduce the light reflectivity. In detail, the structural member may be made of a metal plate with a thickness of 0.15mm by a stamping process, and the metal plate material may be stainless steel, aluminum alloy, and the like, but not limited thereto.

The structural member and the reflective element holder may be integrally formed. Specifically, the structural member and the reflecting element holder may be integrally molded by insert injection.

The reflective element holder may include a light passing hole through which light passes, and geometric central axes of the light passing holes do not overlap each other. Specifically, the light passing hole of the reflecting element holder may be eccentrically disposed or bent, but the above-described arrangement is liable to cause a reduction in structural strength. It should be noted that the shape of the reflector holder is complicated, and mass production can be performed by plastic injection molding, but the complicated shape tends to reduce the structural strength and warp. Therefore, the structural rigidity can be improved through the embedding and ejecting structural part, and the deformation of the reflecting element holding part is avoided.

The length of the extended fold line may be less than the length of the first fold line. In particular, the extension wall has the purpose of assisting in supporting and protecting the reflective element, and is partially bent and extended from the edge of the first support wall or the second support wall, and the shorter extension folding line can make the extension wall match the complex shape of the reflective element holder. Specifically, the first broken line may be a straight line or a curved line.

The extended fold line may be a straight line. Thus, mass productivity can be improved.

The number of the extending walls can be at least two, and the reflection element can further comprise a light incident surface, a light emitting surface and two connecting surfaces. The light incident surface and the light emergent surface respectively enable light rays to enter and exit the reflection element, the connecting surface is connected with the light incident surface, the light emergent surface and the reflection surface, the extension walls respectively comprise a plane, and each plane is arranged corresponding to each connecting surface. Thereby, the protection of the reflective element can be enhanced by the extended wall.

The extension walls may be symmetrically disposed. Therefore, the structural part can be more stable.

The structural member may include a plurality of through holes, and the through holes penetrate at least one of the first supporting wall, the second supporting wall and the extending wall. Therefore, the quality of injection molding can be improved, the bonding strength between plastic and metal is increased, and the structural part can be lightened.

The reflective element holder may further include a sprue, and the structure may further include an exposed portion, wherein the exposed portion is exposed from the reflective element holder, and the sprue is disposed adjacent to the exposed portion. Therefore, the injection molding quality can be improved through the arrangement mode, and the mass production is facilitated.

The proportion of the volume of the structural member embedded in the reflective element holder may be more than 90% of the total volume of the structural member. Thereby, the structural rigidity of the reflecting element holder can be further improved.

The structural member may not protrude from the surface of the reflective element holder. Therefore, the interference between the structural part and other components can be avoided.

The reflective element may be a glass reflective element. It should be noted that the glass reflective element is made of a brittle material and is easily broken when being impacted by an external force, and therefore, a structural member is required to protect the glass reflective element. Furthermore, the reflective element can also be made of plastic material, and the surface of the reflective element is plated with a reflective layer, but not limited thereto.

The angle between the extending wall and the second supporting wall after being bent is theta _E It may satisfy the following conditions: theta is more than or equal to 90 DEG _E Less than or equal to 152 degrees. Therefore, when the 90 DEG ≦ θ is satisfied _E When the temperature is less than or equal to 152 ℃, the shape of the reflector element holder can be partially extended, so that the shock resistance of the structural member is improved.

The technical features of the optical reflection assembly of the present disclosure can be combined and configured to achieve the corresponding effects.

The present disclosure provides an optical lens module including the optical reflection element and a lens assembly. The lens group comprises a plurality of lenses and an optical axis passes through the lenses, wherein the lenses comprise at least one glass lens. The reflector holder further includes a lens holder for assembling the lens set. Specifically, the lens holding part can be directly assembled with the lens group or indirectly assembled with the lens group through a lens barrel, and the glass lens can bear the environment of high temperature and high humidity.

The present disclosure provides an electronic device comprising the aforementioned optical reflection element.

The following provides a detailed description of the embodiments with reference to the accompanying drawings.

< first embodiment >

Referring to fig. 1A to 1D, wherein fig. 1A is a perspective view of an optical lens module 100 according to a first embodiment of the disclosure, fig. 1B is a partially exploded view of the optical lens module 100 according to the first embodiment of fig. 1A, fig. 1C is a side sectional view of the optical lens module 100 according to the first embodiment of fig. 1A, and fig. 1D is a top perspective view of the optical lens module 100 according to the first embodiment of fig. 1A. As shown in fig. 1A to fig. 1D, the optical lens module 100 includes an optical reflection element (not shown), a first lens assembly 111 and a second lens assembly 112, and has a first optical axis X1 and a second optical axis X2.

Referring to fig. 1E and fig. 1F, fig. 1E is a perspective view of the optical reflection assembly in the first embodiment shown in fig. 1A, and fig. 1F is a partial cross-sectional view of the optical reflection assembly in the first embodiment shown in fig. 1E along a cross-sectional line 1F-1F. As shown in fig. 1A to 1F, the optical reflection assembly includes a reflection element 120, a reflection element holder 130 and a structural member 140, wherein the reflection element holder 130 and the reflection element 120 are disposed correspondingly, at least a portion of the structural member 140 is embedded in the reflection element holder 130, and the structural member 140 and the reflection element holder 130 can be integrally formed by insert-injection. The embedded structure 140 can improve the rigidity of the reflector holder 130, so that the reflector holder 130 can maintain its structure and dimensional accuracy when being impacted by external force, or increase the bearing force during assembly, thereby improving the assembly reliability. Moreover, the structural member 140 can also suppress the volume change of the reflective element holder 130 during the temperature change, which may be caused by the ambient temperature or the heat source generated by the light source, and reduce the relative displacement between the reflective element holder 130 and the reflective element 120.

As shown in FIG. 1C, a light ray (not shown) enters the first lens assembly 111 along the first optical axis X1, and the reflective element 120 reflects the light ray entering the second lens assembly 112 along the second optical axis X2. Specifically, the first lens group 111 and the second lens group 112 respectively include a plurality of lenses (not labeled), wherein the first optical axis X1 passes through the lenses of the first lens group 111, and the second optical axis X2 passes through the lenses of the second lens group 112. Furthermore, the lens comprises at least one glass lens, and the glass lens can bear the environment of high temperature and high humidity.

As shown in fig. 1B and fig. 1C, the reflective element 120 includes a reflective surface 121, a light incident surface 122, a light emitting surface 123 and two connecting surfaces 124, wherein the light enters the reflective surface 121 and is turned by the reflective surface 121, the light incident surface 122 and the light emitting surface 123 respectively enable the light to enter and exit the reflective element 120, and the connecting surface 124 is connected to the light incident surface 122, the light emitting surface 123 and the reflective surface 121. In detail, the reflective element 120 may be a brittle material, or the reflective element 120 may be a plastic material and coated with a reflective layer, wherein the brittle material may be glass, PS, PC, PMMA, etc., but not limited thereto. Since a brittle material such as glass is easily broken by an external impact, the reflective element 120 needs to be protected by the structural member 140. In the first embodiment, the number of the reflecting surfaces 121 of the reflecting element 120 is one.

As shown in fig. 1A to 1C, the reflective element holder 130 includes a lens holding portion 131 and a mounting surface 132, wherein the lens holding portion 131 is used for assembling and fixing the first lens group 111 and the second lens group 112, and the mounting surface 132 is disposed corresponding to the reflective element 120. It should be noted that the structural member 140 is required to maintain flatness due to the high flatness requirements of the mounting surface 132 by the reflective element 120. In the first embodiment, the lens holder 131 is directly assembled with the second lens group 112, and is indirectly assembled with the first lens group 111 through a lens barrel (not shown).

As can be seen from fig. 1C and 1D, the volume ratio of the structure 140 embedded in the reflective element holder 130 accounts for 90% or more of the entire volume of the structure 140, and the structure 140 does not protrude from the surface of the reflective element holder 130. Thereby, the structural rigidity of the reflective element holder 130 can be further improved, and the structural member 140 can be prevented from interfering with other components.

As shown in fig. 1B and fig. 1C, the reflective element holder 130 includes a light-passing hole 133, light passes through the light-passing hole 133, and the geometric central axes of the light-passing holes 133 do not overlap each other, wherein the light-passing hole 133 of the reflective element holder 130 can be disposed eccentrically or in a zigzag manner, but the above-mentioned arrangement is liable to reduce the structural strength. It should be noted that the shape of the reflective element holder 130 is complicated, and mass production can be performed by using a plastic injection molding process, but the complicated shape is liable to reduce the structural strength and to generate warpage. Thus, the embedding of the injection structure 140 can improve the structural rigidity and prevent the deformation of the reflective element holder 130.

Referring to fig. 1G and fig. 1H, fig. 1G is a perspective view of the structural member 140 in the first embodiment shown in fig. 1A, and fig. 1H is a perspective view of the structural member 140 in the first embodiment shown in fig. 1A. As shown in fig. 1G and fig. 1H, the structural member 140 is made of metal and has a three-dimensional structure, and includes a first supporting wall 141, a second supporting wall 142 and at least one extending wall 143, wherein the first supporting wall 141 and the second supporting wall 142 are bent to form a first folding line 144 and present an angle, the extending wall 143 and the second supporting wall 142 are bent to form an extending folding line 145, and the extending folding line 145 is a non-closed line. The structural member 140 can be made into a three-dimensional structure by the first folding line 144 and the extended folding line 145, so as to bear stress in different directions and improve the rigidity of the whole structure. In the first embodiment, the number of the extension walls 143 is two. It should be noted that the two-point chain line in fig. 1A, 1B and 1E to 1H is used to represent the edge tangent line of the curved surface boundary.

The metal structure 140 has a higher young's modulus, and therefore has less deformation when subjected to stress, wherein the metal surface may be subjected to a surface treatment, such as a roughening treatment or a blackening treatment, the roughening treatment may improve the bonding strength between the plastic material and the metal material, and the blackening treatment may reduce the light reflectance. In detail, the structural member 140 may be made of a metal plate with a thickness of 0.15mm by a stamping process, and the metal plate may be made of stainless steel, aluminum alloy, and the like, but not limited thereto.

Specifically, the non-closed line is a line segment with two open ends, and the first folding line 144 and the extended folding line 145 are not decoration lines on the structural member 140, but creases formed at the bent portions when the metal plate is punched. Furthermore, the first folding line 144 and the extended folding line 145 may be rounded, and the radius of curvature of the rounded corner is related to the bending angle.

As can be seen from fig. 1G, the length of the extended folding line 145 may be smaller than the length of the first folding line 144, wherein the first folding line 144 may be a straight line or a curved line, and the extended folding line 145 may be a straight line. In detail, the extension wall 143 serves to support and protect the reflective element 120, and is bent and extended from the edge of the first support wall 141 or the second support wall 142, and the shorter extension folding line 145 enables the extension wall 143 to fit the complex shape of the reflective element holder 130. Furthermore, the mass production and manufacturing performance can be improved by the linearly extending folding line 145.

As shown in fig. 1F, the extension walls 143 each include a plane (not shown), and each plane is disposed corresponding to each connection surface 124, wherein the extension walls 143 are symmetrically disposed. Thereby, the protection of the reflective element 120 can be enhanced by the extension wall 143, and the structural member 140 can be more stable.

As can be seen from fig. 1C and 1D, when viewed along a direction D1, the projection of the reflective element 120 and the structural member 140 overlaps, and as can be seen from fig. 1C, the projection of the reflective element 120 and the extension wall 143 of the structural member 140 overlaps.

As shown in fig. 1D and 1H, the first supporting wall 141 and the second supporting wall 142 are bent to form an angle θ _S (ii) a The minimum separation distance D between the reflective element 120 and the structure 140 in the direction D1 is _R (ii) a The angle between the extending wall 143 and the second supporting wall 142 after bending is θ _E The parameters satisfy the following table one condition.

< second embodiment >

Referring to fig. 2, a perspective view of a structural member 240 according to a second embodiment of the present disclosure is shown. As shown in fig. 2, the structural member 240 is made of metal and has a three-dimensional structure, and includes a first supporting wall 241, a second supporting wall 242 and at least one extending wall 243, wherein the first supporting wall 241 and the second supporting wall 242 form a first folding line 244 and form an angle after being bent, the extending wall 243 and the second supporting wall 242 form an extending folding line 245 after being bent, and the extending folding line 245 is a non-closed line. The first folding line 244 and the extending folding line 245 can make the structural member 240 have a three-dimensional structure, thereby bearing stresses in different directions and improving the rigidity of the whole structure. In the second embodiment, the number of the extension walls 243 is two.

Further, the structural member 240 includes a plurality of through holes 246, and the through holes 246 penetrate through the first supporting wall 241, wherein the shape of the through holes 246 is not limited thereto. Therefore, the quality of injection molding can be improved, the bonding strength between plastic and metal can be increased, and the weight of the structural member 240 can be reduced.

It should be noted that the structural component 240 of the second embodiment can be applied to the optical lens module 100 of the first embodiment, but is not limited thereto.

In addition, the second embodiment has the same structure and configuration relationship with the other elements of the first embodiment, and will not be further described herein.

< third embodiment >

Referring to fig. 3A to 3C, fig. 3A is a perspective view of an optical lens module 300 according to a third embodiment of the disclosure, fig. 3B is an exploded view of the optical lens module 300 according to the third embodiment of fig. 3A, and fig. 3C is a side sectional view of the optical lens module 300 according to the third embodiment of fig. 3A. As shown in fig. 3A to 3C, the optical lens module 300 includes an optical reflection element (not shown) and a lens assembly 310.

Referring to fig. 3D to 3F, fig. 3D is a perspective view of the optical reflection assembly in the third embodiment shown in fig. 3A, fig. 3E is a partial cross-sectional view of the optical reflection assembly in the third embodiment shown in fig. 3D taken along the cross-sectional line 3E-3E, and fig. 3F is another partial cross-sectional view of the optical reflection assembly in the third embodiment shown in fig. 3D taken along the cross-sectional line 3E-3E. As shown in fig. 3A to 3F, the optical reflection assembly includes

reflection elements

320a and 320b,

reflection element holders

330a and 330b, and a structural member 340, wherein the reflection element holder 330a is disposed corresponding to the reflection element 320a, the reflection element holder 330b is disposed corresponding to the reflection element 320b, at least a portion of the structural member 340 is embedded in the reflection element holder 330b, and the structural member 340 and the reflection element holder 330b can be integrally formed by insert-injection. The embedded structure 340 can improve the rigidity of the reflector holder 330b, so that the reflector holder 330b can maintain its structure and maintain its dimensional accuracy when being impacted by external force, or increase its bearing force during assembly, thereby improving the assembly reliability. Moreover, the structural member 340 can also suppress the volume change of the reflective element holder 330b during the temperature change, which may be caused by the ambient temperature or the heat source generated by the light source, and reduce the relative displacement between the reflective element holder 330b and the reflective element 320 b.

The lens assembly 310 includes a plurality of lenses (not shown), wherein an optical axis (not shown) passes through the lenses of the lens assembly 310, and the lens assembly 310 is disposed between the

reflective elements

320a and 320 b. Furthermore, the lens comprises at least one glass lens, and the glass lens can bear the environment of high temperature and high humidity.

As shown in fig. 3B, the reflective elements 320a and 320B respectively include a reflective surface 321, a light incident surface 322, a light emitting surface 323, and two connecting surfaces 324 (for example, the reflective element 320B), wherein the light ray enters the reflective surface 321 and turns through the reflective surface 321, the light incident surface 322 and the light emitting surface 323 respectively enable the light ray to enter and exit the reflective elements 320a and 320B, and the connecting surfaces 324 connect the light incident surface 322, the light emitting surface 323, and the reflective surface 321. In detail, the

reflective elements

320a and 320b may be made of a brittle material, or the

reflective elements

320a and 320b may be made of a plastic material and coated with a reflective layer, wherein the brittle material may be glass, PS, PC, PMMA, etc., but not limited thereto. Since brittle materials such as glass are easily broken when being impacted by an external force, the

reflective elements

320a and 320b need to be protected by the structural members 340. In the third embodiment, the number of the reflecting surfaces 321 of the reflecting

elements

320a and 320b is one.

As shown in fig. 3C, the

reflective element holders

330a and 330b include a lens holder (not shown), and the

reflective element holders

330a and 330b include a mounting

surface

332a and 332b, respectively, wherein the lens holder is used for assembling and fixing the lens assembly 310, the mounting surface 332a is disposed corresponding to the reflective element 320a, and the mounting surface 332b is disposed corresponding to the reflective element 320 b. It should be noted that the structural member 340 is required to maintain flatness due to the high flatness requirements of the

reflective elements

320a,320b with respect to the mounting

surfaces

332a,332 b.

Specifically, the

reflective element holders

330a and 330b respectively include a light passing hole 333 (for example, the label of the reflective element holder 330 a), a light (not shown) passes through the light passing hole 333, and the geometric central axes of the light passing holes 333 do not overlap each other.

As can be seen from fig. 3C, the volume proportion of the structural member 340 embedded in the reflective element holder 330b accounts for 90% or more of the entire volume of the structural member 340, and the structural member 340 does not protrude from the surface of the reflective element holder 330 b. Thereby, the structural rigidity of the reflecting element holder 330b can be further improved, and the structural member 340 can be prevented from interfering with other components.

Referring to fig. 3G to 3I, fig. 3G is a perspective view of a structural member 340 according to the third embodiment of fig. 3A, fig. 3H is a side view of the structural member 340 according to the third embodiment of fig. 3A, and fig. 3I is a front view of the structural member 340 according to the third embodiment of fig. 3A. As shown in fig. 3G to 3I, the structural member 340 is made of metal and has a three-dimensional structure, and includes a first supporting wall 341, a second supporting wall 342, and at least one extending wall 343, wherein the first supporting wall 341 and the second supporting wall 342 are bent to form a first folding line 344 and present an angle, the extending wall 343 and the second supporting wall 342 are bent to form an extending folding line 345, and the extending folding line 345 is a non-closed line. The structural member 340 can be made into a three-dimensional structure by the first folding line 344 and the extending folding line 345, thereby bearing stress in different directions and enhancing the rigidity of the whole structure. In the third embodiment, the number of the extension walls 343 is three.

The metal structure 340 has a higher Young's modulus and therefore has less deformation under stress, wherein the metal surface may be subjected to a surface treatment, such as a roughening treatment or a blackening treatment, the roughening treatment may improve the bonding strength between the plastic material and the metal material, and the blackening treatment may reduce the light reflectivity. In detail, the structural member 340 may be made of a metal plate with a thickness of 0.15mm by a stamping process, and the metal plate may be stainless steel, aluminum alloy, and the like, but not limited thereto.

Specifically, the non-closed line is a line segment with two open ends, and the first folding line 344 and the extending folding line 345 are not decoration lines on the structural member 340, but folding lines formed at the bending positions when the metal plate is stamped. Furthermore, the first folding line 344 and the extended folding line 345 may be rounded, and the radius of curvature of the rounded corner is related to the bending angle.

As can be seen in fig. 3G, the length of the extended folding line 345 may be smaller than the length of the first folding line 344, wherein the first folding line 344 may be a straight line or a curved line, and the extended folding line 345 may be a straight line. In detail, the extension wall 343 has the purpose of assisting in supporting and protecting the reflective element 320b, and is partially bent and extended from the edge of the first support wall 341 or the second support wall 342, and the shorter extension folding line 345 enables the extension wall 343 to fit the complex shape of the reflective element holder 330 b. Furthermore, the mass production productivity can be improved by the straight extending folding line 345.

As can be seen from fig. 3C, 3H and 3I, the first supporting wall 341 and the second supporting wall 342 are bent to form an angle θ _S (ii) a When viewed in a direction D1, the reflective element 320b overlaps the projection of the structure 340, and the minimum separation distance between the reflective element 320b and the structure 340 in the direction D1 is D _R (ii) a The angle between the extending wall 343 and the second supporting wall 342 after bending is θ _E The parameters satisfy the following two conditions.

In addition, the structure and the arrangement relationship of the other elements in the third embodiment are the same as those in the first embodiment, and will not be further described herein.

< fourth embodiment >

Referring to fig. 4, a perspective view of a structure 440 according to a fourth embodiment of the present disclosure is shown. As shown in fig. 4, the structural member 440 is made of metal and has a three-dimensional structure, and includes a first supporting wall 441, a second supporting wall 442, and at least one extending wall 443, wherein the first supporting wall 441 and the second supporting wall 442 are bent to form a first folding line 444 and form an angle therebetween, the extending wall 443 and the second supporting wall 442 are bent to form an extending folding line 445, and the extending folding line 445 is a non-closed line. The structural member 440 can be made into a three-dimensional structure by the first folding line 444 and the extending folding line 445, so as to bear stress in different directions and improve the rigidity of the whole structure. In the fourth embodiment, the number of the extension walls 443 is three.

Further, the structural member 440 includes a plurality of through holes 446, and the through holes 446 penetrate through the second supporting wall 442 and the extending wall 443, wherein the shape of the through holes 446 is not limited thereto. Therefore, the quality of injection molding can be improved, the bonding strength between plastic and metal can be increased, and the structural member 440 can be lightened.

It should be noted that the structural component 440 of the fourth embodiment can be applied to the optical lens module 300 of the third embodiment, but is not limited thereto.

In addition, the structures and the arrangement relationships of the other elements in the fourth embodiment are the same as those in the first embodiment and the third embodiment, and are not repeated herein.

< fifth embodiment >

Referring to fig. 5A-5C, wherein fig. 5A is a perspective view of an optical lens module 500 according to a fifth embodiment of the disclosure, fig. 5B is an exploded view of the optical lens module 500 according to the fifth embodiment of fig. 5A, and fig. 5C is a cross-sectional side view of the optical lens module 500 according to the fifth embodiment of fig. 5A. As shown in fig. 5A to 5C, the optical lens module 500 includes an optical reflection element (not shown) and a lens assembly 510.

Referring to FIG. 5D and FIG. 5E, FIG. 5D is a perspective view of the optical reflection assembly of the fifth embodiment shown in FIG. 5A, and FIG. 5E is a partial cross-sectional view of the optical reflection assembly of the fifth embodiment shown in FIG. 5D taken along line 5E-5E. As shown in fig. 5A to 5E, the optical reflection assembly includes a reflection element 520, a reflection element holder 530, and a structure 540, wherein the reflection element holder 530 and the reflection element 520 are disposed correspondingly, at least a portion of the structure 540 is embedded in the reflection element holder 530, and the structure 540 and the reflection element holder 530 can be integrally formed by insert-injection. The embedded structure 540 can improve the rigidity of the reflector holder 530, so that the reflector holder 530 can maintain the structure and maintain the dimensional accuracy when being impacted by external force, or can increase the bearing force during assembly, thereby improving the assembly reliability. Moreover, the transparent structure 540 can also suppress the volume change of the reflective element holder 530 during the temperature change, which may be caused by the ambient temperature or the heat source generated by the light source, and reduce the relative displacement between the reflective element holder 530 and the reflective element 520.

Lens assembly 510 includes a plurality of lenses (not shown), wherein an optical axis (not shown) passes through the lenses of lens assembly 510. Furthermore, the lens comprises at least one glass lens, and the glass lens can bear the environment of high temperature and high humidity.

As shown in fig. 5B, the reflective element 520 includes a reflective surface 521, an incident surface 522, an exit surface 523 and two connecting surfaces 524, wherein a light ray enters the reflective surface 521 and is turned by the reflective surface 521, the incident surface 522 and the exit surface 523 respectively enable the light ray to enter and exit the reflective element 520, and the connecting surfaces 524 connect the incident surface 522, the exit surface 523 and the reflective surface 521. In detail, the reflective element 520 may be a brittle material, or the reflective element 520 may be a plastic material coated with a reflective layer, wherein the brittle material may be glass, PS, PC, PMMA, etc., but not limited thereto. Since brittle materials such as glass are easily broken by external impact, the reflective element 520 needs to be protected by the structural member 540. In the fifth embodiment, the reflecting element 520 is formed by combining a plurality of prisms, and the number of the reflecting surfaces 521 of the reflecting element 520 is four.

As shown in fig. 5B, 5D and 5E, the reflective element holder 530 includes a lens holder 531, and the reflective element holder 530 includes a mounting surface 532 and a fixing member 534, wherein the lens holder 531 is used for assembling the fixed lens assembly 510, the mounting surface 532 corresponds to the reflective element 520, and the fixing member 534 is used for fixing the reflective element 520. It should be noted that the structural member 540 is required to maintain flatness due to the high flatness requirements of the reflective element 520 for the mounting surface 532. In the fifth embodiment, the lens holding portion 531 indirectly assembles the lens group 510 through a lens barrel 550, or the lens holding portion 531 and the lens barrel 550 may be integrally formed, so that the lens holding portion 531 directly assembles the lens group 510.

As shown in fig. 5B and 5C, the reflective element holders 530 respectively include two light-passing holes 533, and a light (not shown) passes through the light-passing holes 533, and geometric central axes of the light-passing holes 533 do not overlap each other.

As can be seen from fig. 5C, the volume ratio of the structure 540 embedded in the reflective element holder 530 accounts for 90% or more of the entire volume of the structure 540, and the structure 540 does not protrude from the surface of the reflective element holder 530. Thereby, the structural rigidity of the reflective element holder 530 may be further improved, and the structural member 540 may be prevented from interfering with other components.

Referring to fig. 5F and 5G, fig. 5F is a perspective view of the structural member 540 according to the fifth embodiment of fig. 5A, and fig. 5G is a front view of the structural member 540 according to the fifth embodiment of fig. 5A. As shown in fig. 5F and 5G, the structural member 540 is made of metal and has a three-dimensional structure, and includes a first supporting wall 541, a second supporting wall 542, and at least one extending wall 543, wherein a first folding line 544 is formed between the first supporting wall 541 and the second supporting wall 542 by bending and forms an angle, an extending folding line 545 is formed between the extending wall 543 and the second supporting wall 542 by bending, and the extending folding line 545 is a non-closed line. The structural member 540 can be three-dimensional through the first folding line 544 and the extending folding line 545, so as to bear stress in different directions, thereby enhancing the rigidity of the whole structure. In the fifth embodiment, the number of the extending walls 543 is two.

The metal structure 540 has a higher young's modulus and therefore less deformation when stressed, wherein the metal surface may be subjected to a surface treatment, such as roughening or blackening, wherein the roughening improves the bonding strength between the plastic and the metal, and the blackening reduces the light reflectivity. In detail, the structural member 540 may be made of a metal plate with a thickness of 0.15mm by a stamping process, and the metal plate material may be stainless steel, aluminum alloy, and the like, but not limited thereto.

Specifically, the non-closed line is a line segment with two open ends, and the first folding line 544 and the extended folding line 545 are not decoration lines on the structural member 540 but creases formed at the bent portions when the metal plate is punched. Furthermore, the first folding line 544 and the extended folding line 545 may be rounded, and the radius of curvature of the rounded corner is related to the bending angle.

As shown in fig. 5F, the length of the extended folding line 545 may be smaller than the length of the first folding line 544, wherein the first folding line 544 may be a straight line or a curved line, and the extended folding line 545 may be a straight line. In detail, the extending wall 543 has the purpose of assisting in supporting and protecting the reflective element 520, and is partially bent and extended from the edge of the first supporting wall 541 or the second supporting wall 542, and the shorter extending folding line 545 can make the extending wall 543 match with the complex shape of the reflective element holder 530. Further, mass productivity can be improved by the linearly extending folding line 545.

As can be seen from fig. 5C and 5G, the first supporting wall 541 and the second supporting wall 542 are bent to form an angle θ _S (ii) a When viewed in a direction D1, the projection of the reflective element 520 and the structural member 540 overlap, and the minimum separation distance between the reflective element 520 and the structural member 540 in the direction D1 is D _R (ii) a The angle between the extending wall 543 and the second supporting wall 542 after bending is θ _E The parameters satisfy the following table three conditions.

In addition, the structure and the arrangement relationship of the other elements in the fifth embodiment are the same as those in the first embodiment, and will not be further described herein.

< sixth embodiment >

Referring to fig. 6, a perspective view of a structure 640 according to a sixth embodiment of the present disclosure is shown. As shown in fig. 6, the structural member 640 is made of metal and has a three-dimensional structure, and includes a first supporting wall 641, a second supporting wall 642 and at least one extending wall 643, wherein a first folding line 644 is formed between the first supporting wall 641 and the second supporting wall 642 and forms an angle, an extending folding line 645 is formed between the extending wall 643 and the second supporting wall 642 after bending, and the extending folding line 645 is a non-closed line. The structural member 640 has a three-dimensional structure through the first folding line 644 and the extending folding line 645, so as to bear stress in different directions, thereby enhancing the rigidity of the whole structure. In the sixth embodiment, the number of the extension walls 643 is two.

Further, the structural member 640 includes a plurality of through holes 646, and the through holes 646 penetrate through the first supporting wall 641, wherein the shape of the through holes 646 is not limited thereto. Therefore, the quality of injection molding can be improved, the bonding strength between plastic and metal can be increased, and the structural member 640 can be lightened.

It should be noted that the structural member 640 of the sixth embodiment can be applied to the optical lens module 500 of the fifth embodiment, but is not limited thereto.

In addition, the structure and the arrangement relationship of the other elements in the sixth embodiment are the same as those in the first and fifth embodiments, and will not be further described herein.

< seventh embodiment >

Referring to FIG. 7A and FIG. 7B, FIG. 7A is a perspective view of an optical lens module 700 according to a seventh embodiment of the disclosure, and FIG. 7B is a perspective view of an optical reflection assembly according to the seventh embodiment of FIG. 7A. As shown in fig. 7A and 7B, the optical lens module 700 includes an optical reflection element (not shown) and a lens assembly 710.

The optical reflection assembly includes a reflection element 720, a reflection element holder 730, and a structure 740, wherein the reflection element holder 730 is disposed corresponding to the reflection element 720, at least a portion of the structure 740 is embedded in the reflection element holder 730, and the structure 740 and the reflection element holder 730 can be integrally formed by insert-injection. The embedded structure 740 can improve the rigidity of the reflector holder 730, so that the reflector holder 730 can maintain its structure and dimensional accuracy when being impacted by external force, or increase the bearing force during assembly, thereby improving the assembly reliability. Moreover, the structural member 740 can also suppress the volume change of the reflective element holder 730 during the temperature change, which may be caused by the ambient temperature or the heat source generated by the light source, and reduce the relative displacement between the reflective element holder 730 and the reflective element 720.

The reflector holder 730 includes a material inlet 735, and the structure 740 includes an exposed portion 747, wherein the exposed portion 747 is exposed from the reflector holder 730, and the material inlet 735 is disposed adjacent to the exposed portion 747. Therefore, the injection molding quality can be improved through the arrangement mode, and the mass production is facilitated.

In addition, the structure and the arrangement relationship of the other elements in the seventh embodiment are the same as those in the first and fifth embodiments, and will not be further described herein.

< eighth embodiment >

Referring to fig. 8A and 8B, fig. 8A is a schematic diagram of an electronic device 80 according to an eighth embodiment of the disclosure, and fig. 8B is a block diagram of the electronic device 80 according to the eighth embodiment of fig. 8A. As shown in fig. 8A and 8B, the electronic device 80 is a smart phone and includes an optical lens module (not shown), wherein the optical lens module includes an optical reflection element (not shown) and a lens assembly (not shown).

In the eighth embodiment, the electronic device 80 includes four imaging lenses, namely, a telephoto lens 811, an ultra-wide-angle lens 812, an ultra-telephoto lens 813, and a wide-angle main lens 814. Furthermore, the electronic device 80 can realize the optical zooming function by switching the imaging lenses with different viewing angles. It should be noted that the lens cover 82 is only for illustrating the telephoto lens 811, the ultra-wide-angle lens 812, the ultra-telephoto lens 813, and the wide-angle main lens 814 in the electronic device 80, and does not indicate that the lens cover 82 is detachable. Specifically, the extra-long-focus telephoto lens 813 can be the optical lens modules of the first to seventh embodiments, but is not limited thereto.

The electronic device 80 further includes an electronic photosensitive element 83 and a user interface 84, wherein the electronic photosensitive element 83 is disposed on an image plane (not shown) of the telephoto lens 811, the super-wide-angle lens 812, the super-telephoto lens 813 and the wide-angle main lens 814, and the user interface 84 can be a touch screen or a display screen, but not limited thereto.

Further, the user enters the capture mode through the user interface 84 of the electronic device 80. The long-focus telephoto lens 811, the ultra-wide-angle lens 812, the long-focus telephoto lens 813, and the wide-angle main lens 814 collect the imaging light on the electro-optical sensor 83, and output an electronic Signal related to the Image to an Imaging Signal Processor (ISP) 85.

In response to the camera specification of the electronic device 80, the electronic device 80 may further include an optical anti-shake component 86, which may be an OIS anti-shake feedback device, and further, the electronic device 80 may further include at least one auxiliary optical element (not shown) and at least one sensing element 87. In the eighth embodiment, the auxiliary optical elements are a flash module 88 and a focusing auxiliary module 89, the flash module 88 can be used for compensating the color temperature, and the focusing auxiliary module 89 can be an infrared ranging element, a laser focusing module, and the like. The sensing Element 87 may have a function of sensing physical momentum and actuation energy, such as an accelerometer, a gyroscope, and a Hall Element (Hall Effect Element), to sense shaking and jitter applied by the hand of the user or the external environment, so as to facilitate the automatic focusing function configured by the optical lens module (i.e. the telephoto lens 811, the ultra-wide-angle lens 812, the ultra-telephoto lens 813, and the wide-angle main lens 814) in the electronic device 80 and the exertion of the optical anti-shake component 86, so as to obtain good imaging quality, which is helpful for the electronic device 80 according to the present invention to have a shooting function of multiple modes, such as optimizing self-shooting, low light source HDR (High Dynamic Range, High Dynamic Range imaging), High Resolution 4K (4K Resolution) recording, and the like. In addition, the user can directly visually see the shooting picture of the camera through the touch screen and manually operate the view finding range on the touch screen so as to achieve the WYSIWYG (what you see is what you get) automatic focusing function.

In addition, the electronic device 80 may further include, but is not limited to, a Display Unit (Display), a Control Unit (Control Unit), a Storage Unit (Storage Unit), a Random Access Memory (RAM), a Read Only Memory (ROM), or a combination thereof.

In addition, the structure and the arrangement relationship of the other elements in the eighth embodiment are the same as those in the first to seventh embodiments, and will not be further described herein.

< ninth embodiment >

Referring to fig. 9A to 9C, fig. 9A is a schematic diagram illustrating an electronic device 90 according to a ninth embodiment of the disclosure, fig. 9B is a schematic diagram illustrating an operation situation of the electronic device 90 according to the ninth embodiment of fig. 9A, and fig. 9C is a schematic diagram illustrating an operation of the electronic device 90 according to the ninth embodiment of fig. 9A. As can be seen from fig. 9A to 9C, the electronic device 90 is a head-mounted device, wherein the head-mounted device may be an Augmented Reality (AR) device.

The electronic device 90 includes an optical lens module 91 and a display panel module 92, wherein the optical lens module 91 is disposed at the image side of the display panel module 92, and the optical lens module 91 is used for transmitting and projecting an image to the eyes of a user along a direction D2. In detail, the electronic device 90 can combine the actual scene and the virtual message and transmit the combined actual scene and virtual message to the user. As shown in fig. 9B, the virtual message may be a message notification, a time display, a power status display, a signal status display, and a speed display, but not limited thereto.

Specifically, the optical lens module 91 may be the optical lens module of the first to seventh embodiments, and the display panel module 92 may be a Digital Light Processing (DLP), a Liquid Crystal Display (LCD), etc., but the disclosure is not limited thereto. Furthermore, the optical lens module 91 can be used for taking pictures or sensing the surrounding environment and objects.

In addition, the ninth embodiment has the same structure and arrangement relationship with the other elements of the first to seventh embodiments, and will not be further described herein.

Although the present invention has been described with reference to the above embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention.

Claims

1. An optical reflection assembly, comprising:

a reflective element, comprising:

a reflecting surface, a light ray is incident to the reflecting surface and is turned by the reflecting surface;

a reflective element holder, comprising:

the mounting surface is arranged corresponding to the reflecting element; and

a structural member made of a metal material and having a three-dimensional structure, at least a portion of the structural member being embedded in the reflective element holder, and the structural member comprising:

a first support wall;

the first supporting wall and the second supporting wall are bent to form a first fold line and present an angle; and

the extending wall and the second supporting wall are bent to form an extending folding line, and the extending folding line is a non-closed line;

wherein, the angle between the first and second support walls after bending is theta _S (ii) a When viewed along a direction, the projection of the reflecting element and the structural member are overlapped, and the minimum spacing distance between the reflecting element and the structural member in the direction is D _R Which satisfies the following conditions:

theta is more than or equal to 90 DEG _S Less than or equal to 164 ℃; and

0.05mm<D _R <1.8mm。

2. an optical reflection assembly according to claim 1, wherein the structural member is integrally formed with the reflective element holder.

3. The assembly of claim 2, wherein the reflective element holder includes a through-hole through which the light passes, and geometric central axes of the through-hole do not overlap each other.

4. The optical reflection assembly as claimed in claim 3, wherein the at least one extending wall and the second supporting wall are bent to form an angle θ _E Which satisfies the following conditions:

theta is more than or equal to 90 DEG _E Less than or equal to 152 degrees.

5. An optical reflection assembly according to claim 4, wherein the length of the extended fold line is less than the length of the first fold line.

6. An optical reflection assembly according to claim 5, wherein the extended fold line is a straight line.

7. An optical reflection assembly as claimed in claim 3, wherein the number of the at least one extending wall is at least two.

8. The optical reflection assembly as claimed in claim 7, wherein the reflective element further comprises a light incident surface, a light emitting surface and two connecting surfaces, the light incident surface and the light emitting surface respectively emit the light beams into and out of the reflective element, the two connecting surfaces connect the light incident surface, the light emitting surface and the reflective surface, the at least two extending walls respectively comprise a plane, and each plane is disposed corresponding to each connecting surface.

9. An optical reflection assembly as claimed in claim 8, wherein the at least two extending walls are symmetrically disposed.

10. The assembly of claim 3, wherein the structure comprises a plurality of through holes extending through at least one of the first support wall, the second support wall, and the at least one extension wall.

11. An optical reflection assembly according to claim 1, wherein the reflection element holder further comprises a sprue.

12. The assembly of claim 11, wherein the structural member further comprises an exposed portion exposed from the reflective element holder, and the injection port is disposed adjacent to the exposed portion.

13. An optical reflection assembly according to claim 3, wherein the structural member is embedded in the reflection element holder in a proportion of more than 90% by volume of the entire volume of the structural member.

14. An optical reflection assembly according to claim 13, wherein the structural member does not protrude from the surface of the reflective element holder.

15. An optical reflection assembly according to claim 3, wherein the reflective element is a glass reflective element.

16. An optical lens module, comprising:

the optical reflection assembly of any one of claims 1 to 15, wherein the reflection element holder further comprises a lens holding portion; and

a lens group including a plurality of lenses, an optical axis passing through the lenses, and the lens holding portion for assembling and fixing the lens group.

17. The optical lens module of claim 16 wherein the lenses comprise at least one glass lens.

18. An electronic device, comprising:

the optically reflective assembly of claim 1.